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Enhanced solar cell efficiency: copper zinc tin sulfide absorber thickness and defect density analysis
Copper zinc tin sulfide solar cell (CZTS), Cu 2 ZnSnS 4 -based solar cells have shown promising conversion efficiency because of their ease of variation...
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Annealing of MBE-grown CdTe epitaxial layer at various tellurium overpressure for reduced defect density
Cadmium telluride (CdTe) (211) epitaxial layers were grown on GaAs (211) substrates. These CdTe layers were annealed under tellurium overpressure at...
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Supercell Methods for Defect Calculations
Periodic boundary conditions enable fast density-functional-based calculations for defects and their complexes in semiconductors. Such calculations...
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High-throughput calculations of charged point defect properties with semi-local density functional theory—performance benchmarks for materials screening applications
Calculations of point defect energetics with Density Functional Theory (DFT) can provide valuable insight into several optoelectronic, thermodynamic,...
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Influence of defect density states on NO2 gas sensing performance of Na: ZnO thin films
In this work, the Zn 1-x Na x O (x = 0, 0.01, 0.03, and 0.05) thin film gas sensors were prepared via the sol-gel spin coating method to study the impact...
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Correlation of 2D-interface defect density and electrical parameters of a GZO/p-Si heterojunctions: application to three surface morphologies
This study emphasizes the effect of silicon (Si) surface morphology on the optoelectronic and electrical properties of gallium doped ZnO (GZO)/p-Si...
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Trivalent Atom Defect-Complex Induced Defect Levels in Germanium for Enhanced Ge‑Based Device Performance
Defect complexes have a significant impact on the structural, electronic, optical and electrical properties of semiconductors. Several defect...
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From Point Defects to Defect Complexes
Most of the materials have dopants to create functionalities. However, due to the high demands on material functionality in cutting-edge devices, the...
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Defect Analysis Through Metallurgical Testing Methods for Linear Low-Density Polyethylene (LLDPE) at Different PIAT Values During Rotational Molding Process
Numerous efforts have been made to study the mechanical characterization of rotomolded products; however, as rotomolded products are used in critical...
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Defect Theory: An Armchair History
This introductory chapter begins with a summary of the developments of the theory of defects in semiconductors in the past 50 years. This is followed...
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Wafer-scale epitaxy of transition-metal dichalcogenides with continuous single-crystallinity and engineered defect density
Research on electronic channel materials has traditionally focused on bulk and nanocrystals, nanowires, and nanotubes. However, the recent surge of...
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Trends in defect passivation technologies for perovskite-based photosensor
Perovskites are semiconductor materials with the ABX3 structure, and they possess several attractive features, such as a tunable bandgap, high...
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Machine learning potential assisted exploration of complex defect potential energy surfaces
Atomic-scale defects generated in materials under both equilibrium and irradiation conditions can significantly impact their physical and mechanical...
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Development of a new critical size defect model in the paranasal sinus and first approach for defect reconstruction—An in vivo maxillary bone defect study in sheep
Fractures of the paranasal sinuses often require surgical intervention. Persisting bone defects lead to permanent visible deformities of the facial...
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Machine-learning structural reconstructions for accelerated point defect calculations
Defects dictate the properties of many functional materials. To understand the behaviour of defects and their impact on physical properties, it is...
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Strain-modulated defect engineering of two-dimensional materials
Strain- and defect-engineering are two powerful approaches to tailor the opto-electronic properties of two-dimensional (2D) materials, but the...
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Defect spinel oxides for electrocatalytic reduction reactions
Electrocatalytic reduction reactions play a crucial role in electrochemical energy conversion and storage technology, which are emerging technologies...
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On the Matter of Obtaining High-Density Corundum Ceramics with a Defect-Free Polished Surface and Low Roughness by SPS
It is shown that in principle corundum ceramics with close to theoretical density and a defect-free polished surface with low roughness can be...
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Machine Learning-Assisted Defect Analysis and Optimization for P-I-N-Structured Perovskite Solar Cells
A solar cell capacitance simulator (SCAPS-1D) was used to prepare 3611 cell data with different defect densities in the bulk and interface of...
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Defect engineering of silicon with ion pulses from laser acceleration
Defect engineering is foundational to classical electronic device development and for emerging quantum devices. Here, we report on defect engineering...
